Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

See more about this collection...

Washington Department of Commerce Clean Fuel Supply Forecast Report, September 23, 2022

This is the fuel supply forecast report written for the Washington Department of Commerce about the Clean Fuel Standard.

https://ecology.wa.gov/20220923cleanfuelforecastrpt

Washington Climate Commitment Act: Summary of economic and market modeling and analysis of the proposed cap and invest program

This is the foreword to the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.

https://ecology.wa.gov/202207ccaeconforewd

Washington Department of Commerce Clean Fuel Supply Forecast spreadsheet, September 23, 2022

This is the September 23, 2022 fuel supply forecast spreadsheet prepared for the Washington Department of Commerce about the Clean Fuel Standard.

https://ecology.wa.gov/20220923cleanfuelforecast

Intergate Sabey Data Center approval order (notice of construction permit)

This is the August 16, 2022 air quality approval order (notice of construction permit) for Intergate Sabey Data Center.

https://ecology.wa.gov/20220816intergatesabeydatacenterao22aq-e016

Microsoft MWH Data Center approval order (notice of construction permit)

This is the September 27, 2022 air quality approval order (notice of construction permit) for Microsoft MWH Data Center.

https://ecology.wa.gov/20220937microsoftmwh22aqe035

Microsoft Columbia Data Center approval order (notice of construction permit)

This is the September 27, 2022 air quality approval order (notice of construction permit) for Microsoft Columbia Data Center.

https://ecology.wa.gov/20220927microsoftcolumbiadata-center22aqe006

Wood-fired furnaces that meet Washington standards, August 19, 2022

This is the August 19, 2022 list of wood-fired furnaces that meet Washington standards.

https://ecology.wa.gov/20220819woodfurnaces